Truma combi boiler

[Teddydog1]

Help !
Truma combi boiler fitted, having trouble getting power to cp plus controller, 12v connected to controller protected by 1 amp fuse
Any ideas what I’m doing wrong

 

[David and Sally]

Welcome. To the forum.
Change the fuse? You don’t give much info.

 

[Teddydog1]

Welcome. To the forum.
Change the fuse? You don’t give much info.

Fuse new and checked

 

[RandallC]

Duplicate post.
Check for volts with DVM or test lamp

 

[Teddydog1]

Duplicate post.
Check for volts with DVM or test lamp

Done

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[RandallC]

Done

Polarity correct?

 

[mitzimad]

power to the fuse power out the fuse?

 

[GeoffnDee]

If the control Is not working have you checked that the 12v fuse under the wiring cover on the actual combi is ok as 12v is also needed from the combi to the control .